5 Reasons Why Your Business Needs Wholesale Half Cells Solar Panel？

Things were simpler on the solar market 7-8 years ago: most panels used to have either 60 or 72 cells and that&#;s about it. Today the number of cells has doubled, but not the size of modules. The secret behind it is half-cut solar cell technology. Let us explain in detail what it is and why half cell solar panels have become so popular.

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REC introduced half-cut cell technology in

Half-cut cell technology was introduced by Norwegian brand REC in . The European company called their new panel line Twinpeak. The first model was polycrystalline, but the new design made it powerful enough to compete with naturally more efficient monocrystalline panels.

Since then the technology has been adopted by other manufacturers: Trina Solar, Panasonic, Q CELLS, Certainteed, Mission Solar all use half-cut cells. Experts from INRPV (International Technology Roadmap for Photovoltaic) expect the share of half-cell solar panels to increase even further: from around 20% in to more than 60% in .

The engineers build upon their success with half-cut cells and test how far they can go using the same idea. Trina Solar started making large 210mm square cells that are split into three pieces. This format is used for high-output panels that reach 600W in power. Some study the possibilities of splitting cells in four, five, six sections, but so far these projects haven&#;t turned into the market product.

Half-cut cell panel is like two small ones wired together

To make a half-cut cell solar panel, engineers split a standard solar cell in two smaller ones with a laser. It&#;s tricky, because a solar cell is fragile by itself and it&#;s often paired with Passivated Emitter Rear cell technology. PERC makes a cell more efficient but more complex as well. What we get in the end are 120-cell and 144-cell panels that are the same size as traditional 60 and 72-cell ones. 

Since cells are smaller, the space between them doesn&#;t have to be as wide. It gives room for engineers to split the whole module in two smaller ones, just like REC did with Twinpeak. You can think of a split cell panel as two modules that are encased together and are wired in parallel. But what are the benefits of splitting the cells and panel in two?

Get 3-4% more energy than with full-cell modules

When engineers cut solar cells in half, the current is also divided by two. The resistance decreases, resistive losses fall, which results in more electricity produced. Higher output per square foot means that panels with half-cut cell design can reach higher in wattage. This is why half cut cell solar panels are a good choice for mobile solar installations, like an RV or a boat system, since space is typically limited there.

Half-cell panels last longer and become less fragile

Making cells smaller increases their durability. Therefore the half-cut cell panel is less susceptible to microcracks compared to the original design. It is also better protected against hot spots development. As a result, a split cell solar panel is more likely to outlast a traditional one and energy losses caused by cracks are also going to be lower.

Half-cut cell technology is more resistant to shading

Panel of a standard design usually has three bypass diodes which split the module into three strings. When one solar cell gets shaded, the performance of a whole string goes down, because cells are connected in series.

Half-cut cell design means that there are two independent halves in one panel and suddenly you have six strings instead of three. Let&#;s say, we have two 330W panels, one has 60 cells and the other has 120 cells. One shaded cell would lower the performance of a first panel by up to 110W while in the other one the performance would only go down by 55W maximum.

Splitting cells comes at a cost

The advantages of split cell design are impressive, but what about the downsides? Well, these panels are more expensive than traditional ones, because manufacturing costs are higher.

&#; Splitting solar cells with a laser is a delicate process. You need precise and quality equipment plus skilled employees to perform the task well.
&#; To make two sides of solar panels independent from each other, manufacturers make smaller and multiple junction boxes. That, of course, drives the costs up by a bit.
&#; More busbars are added for better cell connection. Again, you need precise equipment for this kind of job since cells themselves become so much smaller. Recently, some manufacturers replaced ribbons with wires, because ribbon busbars slightly shade a cell. Trina Solar is the pioneer of multi busbars technology.

Aside from higher price, the compatibility with microinverters is also at question, and you should check this detail before the purchase. Older microinverters were designed to be paired with 60 or 72-cell panels and not all of them can be connected to half-cut cell modules. Modern models, like Enphase IQ8, work with half-cut cell panels just fine.

Vasilii Smirnov

Solar Installation Expert

Personally, I feel like split cell modules are the next step in the evolution of solar panels. Half-cut cell modules do cost more &#; for now &#; but their ROI is faster! So this high-tech equipment for half-cut cells and PERC might soon become the standard in the industry. Engineers that work for top brands try to squeeze as much energy out of a cell as possible, and a 3% power increase that half-cut cell design gives is huge. The brands that refuse to change and adopt new technologies risk falling too far behind.

Senior Editor

Andrey had been a news editor and freelance writer for a number of medias before joining A1SolarStore team. Climate change and its impact on people's lives has always been among his interests and it partially explains his degree in Philosophy and Ethics.

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With the growing demand for energy and the increasing cost of non-renewable sources of energy, businesses in India are looking for ways to reduce their energy bills and become more energy-efficient. One of the most viable options for businesses is solar energy power. In this blog, we will discuss the benefits of solar power for businesses.

1. Lower energy costs:

One of the most significant benefits of solar power for businesses in India is its potential to lower energy costs. India has a growing demand for energy, and the cost of non-renewable sources of energy is increasing. By investing in solar energy, businesses can generate their electricity, which can significantly reduce their energy bills. Solar power is a one-time investment that offers long-term returns by reducing energy costs.

2. Reduced dependence on non-renewable sources of energy:

India has a limited reserve of non-renewable sources of energy, and the country is heavily dependent on imports to meet its energy needs. Solar power can reduce India's dependence on non-renewable sources of energy, which can help reduce the country's energy import bill. By generating their electricity, businesses can contribute to the country's energy independence and reduce their carbon footprint.

3. Improved energy security:

Investing in solar power can also help businesses improve their energy security. Solar power is a reliable source of energy that can provide electricity even during power outages. In India, power outages are common, especially in rural areas. By investing in solar power, businesses can ensure an uninterrupted power supply, which can help them operate smoothly and efficiently.

4. Reduced carbon footprint:

India is one of the largest greenhouse gas emitters globally. By investing in solar power system, businesses can reduce their carbon footprint and contribute to India's efforts to combat climate change. Solar energy is a clean and renewable source of energy that does not emit harmful greenhouse gases. By switching to solar power, businesses can reduce their environmental impact and promote sustainable development.

5. Improved brand image:

Investing in solar power can also help businesses improve their brand image. In India, consumers are becoming increasingly aware of environmental issues and are more likely to support businesses that demonstrate a commitment to sustainability. By investing in solar energy, businesses can differentiate themselves from their competitors and attract environmentally conscious customers.

6. Reduces the operating costs of your organization

Solar power is a good investment for your business, as it reduces operating costs by saving you money on energy expenses. If you are looking to reduce electricity costs and make efficient use of resources, then solar power could be the answer.

A large percentage of your monthly expenses goes towards paying for electricity bills, so if you can lower those costs by installing solar panels at your workplace or home office then this will go towards reducing other expenses like staff wages or rent payments as well as insurance premiums (if applicable).

7. Reduced reliance on the grid:

India's power grid is susceptible to frequent power outages and voltage fluctuations. By investing in solar power, businesses can reduce their reliance on the grid and ensure an uninterrupted power supply. Solar power systems can also provide backup power during power outages, ensuring that businesses can continue to operate even during emergencies. 

8. Government incentives/tax benefits:

The Indian government has been promoting solar power through various policies and incentives. The government offers tax benefits for commercial and industrial solar power systems. Additionally, businesses can claim accelerated depreciation on solar power systems, which can significantly reduce their tax liability. The government also offers net metering policies, which allow businesses to sell excess electricity generated from their solar power systems back to the grid.

9. Payback often happens in 3 to 4 years

You may have heard that solar panels pay back in 5 or 10 years. But the truth is, it's often shorter than you might think. In fact, some business owners say they're seeing returns on their investment within 3-4 years!

The payback time depends on a few factors: where you live and what kind of energy source your business uses (electricity or natural gas). If you're located in sunny areas with high levels of electricity use, then it'll take longer for solar energy systems to pay off than if your company is located somewhere where there aren't enough hours per day to generate enough electricity from solar panels alone anyway. 

10. Solar power is a viable option for remote locations

Solar power is a viable option for remote locations. A lot of people assume that solar panels can only be used in areas with abundant sunshine, but this isn't true at all. Solar panels are designed to create energy even when there's less light available, so they can be used in areas where the weather conditions aren't ideal for solar power generation (like cloudy or rainy days).

Solar energy is especially useful in remote locations because it's not dependent on infrastructure such as grid electricity or fuel sources&#;which means you don't have to worry about having enough money or access points when considering whether or not your business needs one of these systems!

Conclusion:

In conclusion, solar power offers numerous benefits for Indian businesses. From cost savings to improved energy security, reduced carbon footprint, and improved brand image, solar power can help businesses achieve their goals while contributing to sustainable development. With government incentives and policies in place, there has never been a better time for businesses in India to invest in solar power.

As a leading Solar Modules Manufacturers in India, Bluebird Solar specializes in providing wide range of solar panels, Solar Turnkey EPC solutions, and Solar rooftop services, our experienced team can help you design and implement a solar Po system that meets your specific requirements. 

Additionally, you can even buy solar panels directly from us online, making the process of going solar even more convenient. With Bluebird Solar as your partner, you can feel confident that you're investing in high-quality, reliable solar panels that will provide you with significant cost savings and environmental benefits for years to come.

So why wait? Contact us today to learn more about our solar solutions and take the first step towards a more sustainable future.

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